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This fixes the Z-downsampling issue reported at BioNGFF#16
We add an
originalSizeZattribute to everyZarrPixelSourcein the pyramid so that each array knows if it is smaller than the original. Then, we can use that ratio to adjust the chosenzindex when we choose the indecies to load from the zarr array.To test (images which are downsampled in Z):
Screenshot of the bigger image above showing a mixture of high-resolution tiles loaded amongst lower resolution tiles - both coming from different Z sections but are compatible with each other: